Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5478996 | IC card processing apparatus having function for detecting and protecting dishonest utilization using switch means | Norikazu Muto | 1995-12-26 |
| 5086456 | Dial unit detachably mounted on public telephone for equal access | Masahiro Shizawa, Hiroshi Ogihara | 1992-02-04 |